MRS. MARIE ILZA ESTERLIN AGNP
NPI 1093522823
Internal Medicine - Geriatric Medicine in Belleville, NJ

Active since December 16, 2024PECOS EnrolledAccepts Medicare Assignment
23 LIBERTY AVE, BELLEVILLE, NJ 07109(862) 902-3469 Get Directions Write a Review

NPPES record last updated: December 24, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 24, 2024, Dec 16, 2024 (2 updates tracked since 2024).

About Mrs. Marie Ilza Esterlin Agnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARIE ILZA ESTERLIN AGNP (NPI 1093522823) is an individual geriatric medicine provider in Belleville, New Jersey, licensed in New Jersey (26NJ15234800) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1093522823
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameMRS. MARIE ILZA ESTERLINCredential: AGNP
Location Address23 LIBERTY AVEBelleville, NJ 07109-1802
Mailing Address23 Liberty AveBelleville, NJ 07109-1802 · (862) 902-3469
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 16, 2024
Last NPPES UpdateDecember 24, 20242 updates tracked since enumeration
NPPES CertifiedDecember 24, 2024
✔ NPI 1093522823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in NJ · 26NJ15234800
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
23 LIBERTY AVE, Belleville, NJ 07109

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Marie Ilza Esterlin Agnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547786790
PECOS Enrollment IDI20250430001682
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Marie Esterlin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
230 E RIDGEWOOD AVE
Paramus, NJ 07652
  • Reassigned Medicare billing, New Jersey enrollment
  • 120 clinicians in this Medicare group
Geriatric Medicine
419 E COUNTY LINE RD
Lakewood, NJ 08701
  • Reassigned Medicare billing, New Jersey enrollment
  • 18 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$190.92 typical visit price
range $63.84 – $190.92
Typical copayment $47.73 (range $15.96 – $47.73)
Most-billed visit code 99205
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marie Esterlin's NPI number?

The NPI number for Marie Esterlin is 1093522823. It was assigned to this individual provider in the NPPES registry on December 16, 2024.

Where is Marie Esterlin located?

Marie Esterlin practices at 23 Liberty Ave, Belleville, NJ 07109. The listed phone number is (862) 902-3469.

What is Marie Esterlin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Marie Esterlin enrolled in Medicare?

Yes. Marie Esterlin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marie Esterlin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marie Esterlin reassigns Medicare benefits to 2 organizations: Bergen County Improvement Authority (Paramus, NJ) and Medassist Nj II (Lakewood, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marie Esterlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marie Esterlin accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Marie Esterlin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marie Esterlin was last updated on December 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.